Matching (9) Match items in column A to column B

Column a Column b
1.
A.
Core
2.
B.
Crust
3.
C.
Asthenosphere
4.
D.
Mantle
5.
E.
Convection
6.
F.
Lithosphere
7.
G.
Inner Core
8.
H.
Outer Core
9.
I.
Dense